nae1989 on Family Tree Circles

I would like to find information about my father. what i know is his birth date is 23rd October,
He had two children with my mum me and my brother, genee thornton-shaw 22 and caleb thornton-shaw 23, I also have a half sister named kirsty thornton aged 39, my birth certifcate states his name and i was born at thames hospital, Coromoandel, Kirsty has a son name jessie thornton . I would like to find any information regarding to them as I dont know anything from my dads side. thankyou

in the photo is my mum in the middle Tania Shaw. on the left is my brother Caleb, and on the right in me genee

if you have any information that would be great thank you